The 'Cyber-Physical Systems and Metrology 4.0' is written by 30 authors whose scientific achievements for the last five years cover a significant information technology and measurement science segments. The purpose of this book is to present and consider the main trends in the field of metrology of Cyber-Physical Systems, which are becoming a key element of everyday life. At the first, the book is intended for engineers, lecturers, students, persons who are not acquainted enough with the specificity of Cyber-Physical Systems and their Metrology but are interested in it. The authors have highlighted the emergence and development of these systems, combined with the study of their metrology maintenance.